<div class="facebook">
	<?php 
		
		$url = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; 
		//echo $url;
	?>
	<iframe src="http://www.facebook.com/plugins/like.php?href=<?php echo $url; ?>" scrolling="no" frameborder="0" style="border:none; width:450px; height:80px"></iframe>
</div>